tda7473 STMicroelectronics, tda7473 Datasheet - Page 3

• Manufacturer Part Number: tda7473
• Description: Quad Btl Driver With Voltage Regulator
• Manufacturer: STMicroelectronics

ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
(*) with 6cm
ELECTRICAL CHARACTERISTICS (@ V
(1) @ T
(2) INx = COMM; no loads on the regulators outputs
(3) Device is active when St-By = Low
CHANNELS BTL
REGULATORS
Symbol
VST-BY
Symbol
Symbol
V
R
V
V
R
I
V
DRIV
V
REG
SUP
SAT
th j-amb
th j-pins
amb
T
5V
V
T
SUP
OP
S
J
= 70 C, on board 6cm
2
of copper heatsink on board.
Supply Voltage
Maximum Power Dissipation (1)
Quiescent current (2) from V
Quiescent current (2) from 5V
Quiescent current (2) from V
Stand-by current from 5V (pin 1)
Stand-by current from V
Peak output current for channels
VSAT HIGH SIDE
VSAT LOW SIDE
Output voltage swing peak-to-
peak
Voltage gain for channels
Channels output offset voltage
Channel St-By Threshold
Vpin 1
Min drop 5V --> REG
Output current from DRIV for
pass-transistor driving
Output current from DRIV in
stand-by
DROP V
Threshold voltage for overcurr.
protection (VSUP - OC)
Regulator Voltage
Min REG voltage (settable)
Max REG voltage (settable)
Output current from REG in
Stand-by
DC Supply Voltage
Channel Power Supply
Operating Temperature Range
Maximum Junction Temperature
Thermal Resistance Junction to Ambient
Thermal Resistance Junction to Pins
SUP
Parameter
--> DRIV
2
copper heatsink
SUP
S
SUP
Parameter
Parameter
SUP
V
V
V
V
V
V
V
I = 0.6A; V
I = 0.6A; V
V
Active --> St-By
St-By --> Active
I
I
I
V
V
V
R1, R2 = 1K
R1, R2 = 1K
out
out
DRIV
(pin 4, 11, 18, 25)
(pin 1)
SUP
SUP
(pin 1)
SUP
SUP
S
SUP
SUP
SUP
= 5V, I
= 6V, T
= 0.2A
= 0.2A
= 20mA
= 12V
= 15V
= 15V
= 6V
= 15V
= 6V
= 6V
= 5V, R2 =
= 5V, R2 =
Test Condition
out
S
S
amb
= 5V
= 5V
= 0.6A
= 5V
= 25 C, unless otherwise specified.)
Typ.
Max.
0.65 V
Min.
25.5
-180
4.85
2.45
190
120
5.5
3.6
0.6
50
20
80
20
6
reg
-25 to 80
0.75 V
0.50 V
Value
Value
50 (*)
Typ.
26.5
5.05
2.53
150
100
230
160
100
-50
1.5
1.8
1.3
1.2
0.4
0.3
1.3
0.7
1.2
0.2
1.8
3.8
18
17
20
50
6
1
6
reg
reg
0.85 V
Max.
27.5
5.25
0.25
2.65
100
270
200
120
2.5
2.5
0.8
0.6
1.6
0.9
1.3
15
35
80
2
2
2
TDA7473
reg
Unit
Unit
Unit
Vpp
C/W
C/W
mA
mA
mA
mA
mA
mA
mA
mV
mA
mA
mV
mV
mV
mA
dB
W
V
V
V
A
A
A
V
V
V
V
V
V
V
V
C
C
3/5